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BOSTON MARATHON 2025

Robert Stianchi

Bib: 5537•M

PA

0:00
0:00
/ mi
Masters
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Overall
#0 / 28404
Top 9%
Gender (Male)
#0 / 16105
Top 14%
Masters (Masters Men)
#0 / 10463
Top 4%
Division (M40-44)
#0 / 2247
Top 12%
Race Day Weather
50°/40°F
broken clouds

⏱️ Race Timeline

Start
0:00:00
Race begins
5K· 3.11 mi
20:23
Rank: #4275
Start → 5K
20:23 | 6:34/mi
10K· 6.21 mi
40:48
Rank: #4242 (+33)
5K → 10K
20:25 | 6:34/mi
15K· 9.32 mi
1:01:14
Rank: #4173 (+69)
10K → 15K
20:26 | 6:35/mi
20K· 12.43 mi
1:21:51
Rank: #4053 (+120)
15K → 20K
20:37 | 6:38/mi
Half· 13.11 mi
1:26:23
Rank: #4076 (-23)
20K → Half
4:32 | 6:39/mi
25K· 15.53 mi
1:42:33
Rank: #4002 (+74)
Half → 25K
16:10 | 6:40/mi
30K· 18.64 mi
2:03:16
Rank: #3723 (+279)
25K → 30K
20:43 | 6:40/mi
20M
2:12:18
Rank: #3573 (+150)
30K → 20M
9:02 | 6:39/mi
21M
2:18:59
Rank: #3363 (+210)
20M → 21M
6:41 | 6:41/mi
35K· 21.75 mi
2:23:38
Rank: #3218 (+145)
21M → 35K
4:39 | 6:13/mi
23M
2:31:38
Rank: #3001 (+217)
35K → 23M
8:00 | 6:23/mi
24M
2:37:42
Rank: #2829 (+172)
23M → 24M
6:04 | 6:04/mi
40K· 24.85 mi
2:42:55
Rank: #2676 (+153)
24M → 40K
5:13 | 6:06/mi
25.2M
2:45:10
Rank: #2610 (+66)
40K → 25.2M
2:15 | 6:31/mi
Finish· 26.22 mi
2:51:00
Rank: #2440 (+170)
25.2M → Finish
5:50 | 5:43/mi

The Course

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Half Splits

1st Half· via Half
Distance13.11 mi
Time1:26:23
Pace6:35 /mi
2nd Half✓ Faster
Distance13.11 mi
Time1:24:37
Pace6:27 /mi
📊Negative Split: 2.0% faster second half

Checkpoint Splits

CheckpointDistanceTime of DayTimeAvg PaceSegment TimeSegment PaceDiff
5K
3.11 mi10:25:3120:236:3420:23
6:34
-
10K
6.21 mi10:45:5640:486:3420:25
6:34
0:00
15K
9.32 mi11:06:221:01:146:3420:26
6:35
+0:01
20K
12.43 mi11:26:591:21:516:3520:37
6:38
+0:03
Half
13.11 mi11:31:311:26:236:354:32
6:39
+0:01
25K
15.53 mi11:47:411:42:336:3616:10
6:40
+0:01
30K
18.64 mi12:08:242:03:166:3720:43
6:40
0:00
20M
20.00 mi12:17:262:12:186:379:02
6:39
-0:01
21M
21.00 mi12:24:072:18:596:376:41
6:41
+0:02
35K
21.75 mi12:28:462:23:386:364:39
6:13
-0:28
23M
23.00 mi12:36:462:31:386:368:00
6:23
+0:10
24M
24.00 mi12:42:502:37:426:346:04
6:04
-0:19
40K
24.85 mi12:48:032:42:556:335:13
6:06
+0:02
25.2M
25.20 mi12:50:182:45:106:332:15
6:31
+0:25
Finish
26.22 mi12:56:082:51:006:325:50
5:43
-0:48

Checkpoints & Pacing

📈Pace Line

Pace Progression

Track your pace changes throughout the race. Dot colors mark your quickest to easiest segments, relative to your own pace.

Fastest Pace

5:43 /mi

Average Pace

6:32 /mi

Slowest Pace

6:41 /mi

Loading chart...
Fastest
Middle
Slowest
Average

📊Segments

Segment Time Comparison

Time at Faster Pace

21:46

13% of race

Time at Steady Pace

2:29:14

87% of race

Time at Slower Pace

0:00

0% of race

Average Pace: 6:31 /mi

Loading chart...
Faster pace (< avg)
Steady pace (≈ avg)
Slower pace (> avg)

🎨Heatmap

Pace Heatmap

Where you sped up and eased off relative to your own pace across the race. Colors are relative to your own range, not to other runners.

Loading...
0mi6.6mi13.1mi19.7mi26.2mi
Pace:
Faster
Steady
Slower

Click or hover over segments to see details

✨Sparklines

Checkpoint Splits with Pace Trends

Overall Pace Trend

CheckpointDistanceTime of DayTimeAvg PaceSegmentPaceTrendRank
5K
3.11 mi10:25:3120:236:3420:23
6:34
#4275
10K
6.21 mi10:45:5640:486:3420:25
6:34
#4242
15K
9.32 mi11:06:221:01:146:3420:26
6:35
#4173
20K
12.43 mi11:26:591:21:516:3520:37
6:38
#4053
Half
13.11 mi11:31:311:26:236:354:32
6:39
#4076
25K
15.53 mi11:47:411:42:336:3616:10
6:40
#4002
30K
18.64 mi12:08:242:03:166:3720:43
6:40
#3723
20M
20.00 mi12:17:262:12:186:379:02
6:39
#3573
21M
21.00 mi12:24:072:18:596:376:41
6:41
#3363
35K
21.75 mi12:28:462:23:386:364:39
6:13
#3218
23M
23.00 mi12:36:462:31:386:368:00
6:23
#3001
24M
24.00 mi12:42:502:37:426:346:04
6:04
#2829
40K
24.85 mi12:48:032:42:556:335:13
6:06
#2676
25.2M
25.20 mi12:50:182:45:106:332:15
6:31
#2610
Finish
26.22 mi12:56:082:51:006:325:50
5:43
#2440
Faster pace
Steady pace
Slower pace

Checkpoint and Segment Rankings

CheckpointDistanceSeg. DistOverallMalesM40-44Seg. OverallSeg. MalesSeg. M40-44
5K3.11 mi3.11 mi4275401940194068(Top 14%)3830(Top 24%)3830(Top 170%)
10K6.21 mi3.10 mi4242+333990+293990+294237(Top 15%)3982(Top 25%)3982(Top 177%)
15K9.32 mi3.11 mi4173+693930+603930+604068(Top 14%)3830(Top 24%)3830(Top 170%)
20K12.43 mi3.11 mi4053+1203816+1143816+1143929(Top 14%)3700(Top 23%)3700(Top 165%)
Half13.11 mi0.68 mi4076-233838-223838-224810(Top 17%)4470(Top 28%)4470(Top 199%)
25K15.53 mi2.42 mi4002+743765+733765+733902(Top 14%)3649(Top 23%)3649(Top 162%)
30K18.64 mi3.11 mi3723+2793512+2533512+2532728(Top 10%)2582(Top 16%)2582(Top 115%)
20M20.00 mi1.36 mi3573+1503372+1403372+1402237(Top 8%)2115(Top 13%)2115(Top 94%)
21M21.00 mi1.00 mi3363+2103179+1933179+1931168(Top 4%)1107(Top 7%)1107(Top 49%)
35K21.75 mi0.75 mi3218+1453040+1393040+1391316(Top 5%)1246(Top 8%)1246(Top 55%)
23M23.00 mi1.25 mi3001+2172839+2012839+2011113(Top 4%)1053(Top 7%)1053(Top 47%)
24M24.00 mi1.00 mi2829+1722679+1602679+160715(Top 3%)672(Top 4%)672(Top 30%)
40K24.85 mi0.85 mi2676+1532536+1432536+143558(Top 2%)521(Top 3%)521(Top 23%)
25.2M25.20 mi0.35 mi2610+662472+642472+64519(Top 2%)484(Top 3%)484(Top 22%)
Finish26.22 mi1.02 mi2440+1702313+1592313+159402(Top 1%)378(Top 2%)378(Top 17%)

Segment Performance Analysis

10K→15K

0.0 - 3.1 mi

Top 14%
×21stories
+97ft-345ft

Overall

4068

Males

3830

M40-44

3830

5K→10K

3.1 - 6.2 mi

Top 15%
×5stories
+79ft-138ft

Overall

4237

Males

3982

M40-44

3982

10K→15K

6.2 - 9.3 mi

Top 14%
×3stories
+67ft-78ft

Overall

4068

Males

3830

M40-44

3830

15K→20K

9.3 - 12.4 mi

Top 14%
×5stories
+106ft-86ft

Overall

3929

Males

3700

M40-44

3700

20K→Half

12.4 - 13.1 mi

Top 17%
×2stories
+19ft-37ft

Overall

4810

Males

4470

M40-44

4470

Half→25K

13.1 - 15.5 mi

Top 14%
×4stories
+66ft-88ft

Overall

3902

Males

3649

M40-44

3649

25K→30K

15.5 - 18.6 mi

Top 10%
×9stories
+181ft-148ft

Overall

2728

Males

2582

M40-44

2582

30K→20M

18.6 - 20.0 mi

Top 8%
×5stories
+64ft-50ft

Overall

2237

Males

2115

M40-44

2115

20M→21M

20.0 - 21.0 mi

Top 4%
×8stories
+106ft-24ft

Overall

1168

Males

1107

M40-44

1107

21M→35K

21.0 - 21.8 mi

Top 5%
×7stories
+17ft-86ft

Overall

1316

Males

1246

M40-44

1246

35K→23M

21.8 - 23.0 mi

Top 4%
×5stories
+23ft-63ft

Overall

1113

Males

1053

M40-44

1053

23M→24M

23.0 - 24.0 mi

Top 3%
×6stories
+12ft-82ft

Overall

715

Males

672

M40-44

672

24M→40K

24.0 - 24.9 mi

Top 2%
×1story
+6ft-20ft

Overall

558

Males

521

M40-44

521

40K→25.2M

24.9 - 25.2 mi

Top 2%
×1story
+13ft-16ft

Overall

519

Males

484

M40-44

484

25.2M→Finish

25.2 - 26.2 mi

Top 1%
×2stories
+22ft-21ft

Overall

402

Males

378

M40-44

378

Passing Analysis

Category:
Athletes Passed
2165
Passed By
330
Net Change
+1835
SegmentAthletes PassedPassed ByNet ChangeStart RankEnd Rank
Start → 5K----#4275
5K → 10K154121+33#4275#4242
10K → 15K12960+69#4242#4173
15K → 20K17151+120#4173#4053
20K → Half1134-23#4053#4076
Half → 25K11945+74#4076#4002
25K → 30K28910+279#4002#3723
30K → 20M1566+150#3723#3573
20M → 21M2100+210#3573#3363
21M → 35K1461+145#3363#3218
35K → 23M2170+217#3218#3001
23M → 24M1720+172#3001#2829
24M → 40K1552+153#2829#2676
40K → 25.2M660+66#2676#2610
25.2M → Finish1700+170#2610#2440
TOTALS2165330+1835
📊

Passing Visuals

Category:
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🔥Passing Intensity

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🔄Passing Circle

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🌊Position Flow

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🏃Race Lanes

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Public Race Data

Boston Athletic Association

Boston Athletic Association

Mika Timing

Mika Timing